Founded in 1971, Quality Mechanical is one of the largest HVAC mechanical contractors in the United States. The company specializes in industrial, commercial and residential HVAC, plumbing, piping and sheet metal fabrication. It serves the hotel, casinos, health care, industrial, commercial and government industries. Its past projects include the World Market Center, City Center, Palms Casino Resort, Rio All-Suite Hotel and Casino, Paris Hotel and Casino, Fertitta Enterprises, Century Theaters, Rancho High School and Western High School.